OpenTechnical

OT-2026-000085383

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085383) never changes.

Identity and time

Publication numberOT-2026-000085383 · never reused
Internal UUID01a0ae99-aaab-7ddc-8466-39ee4adfe610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085383
StatusPUBLIC

Content hashes

Canonical text57530d634a6b912055d67561adb41919b2e42aab8150d28a63150c3948a72a92
Markdowna4d963d16dc18ca6bb828b5338e782e39cdcf3a2182c6658e36f26e6062991b3
PDF
Publication page192c48e4f408aa594a247baaa55c8c8963d2fb738f64fef7ef4ec7bff9bf33d4
Manifest9e45e880611ce6f8c37223ecbef7cd1272f240c094f323a620db49d4f021de06

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturekl6cP3HRAWDPemzhcuxJc+IZ/jrGDLvTG5x7p+SLHmcknAJg/QTFdoq0DAqzRnl2oNIZiuK12vj2VtbEqTYWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:08.755176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085383
observed 192c48e4f408aa594a247baaa55c8c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.735659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085383/manifest.json
observed 9e45e880611ce6f8c37223ecbef7cd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.716553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085383/publication.md
observed a4d963d16dc18ca6bb828b5338e782e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.698544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085383/publication.txt
observed 57530d634a6b912055d67561adb41919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.